Answer:
The greatest mass among the following measurements is:
Explanation:
I am going to convert each one of these measurements to kilogram, then the biggest value in kg is the greatest mass.
a)
Each kg has
.
So
1 kg -
x kg -
x = 2.
So
b)
Each kg has
.
So
1 kg -
x kg -
This is a smaller mass than a)
c)
Each kg has
.
So
1 kg -
x kg -
x = 9kg.
For now, this is the greatest mass.
d)
This is the greatest mass.